Anthropic’s Fable 5.1 keeps headline prices flat but cuts cache reads 75%, making agentic AI cheaper and potentially driving ...

Anthropic has cut a Fable 5.1 cache hit to just $0.25 on input, down from $1.00 for Fable 5. That's also just 2.5% of Fable's normal input-token price of $10, rather than the 10% multiplier used by ...

Fable 5.1 leads in external benchmarks, while Mythos 5.1 is designed to handle more cyber tasks with loosened safety ...

Anthropic always talks about how incredible Claude Fable and Claude Mythos are, and marketing is the biggest reason for the ...

Anthropic slashed prices, dropped the aggressive censorship, and reclaimed the benchmark crown—yet Fable 5.1 still can't ...

Fable 5.1 arrives with lower prices and tighter safeguards, days after reports of AI agents going rogue during security tests ...

Anthropic Mythos 5.1 and Fable 5.1 models improve AI knowledge work and drop task costs by up to 45%, but users report ...

Fable 5.1 and its restricted sibling Mythos 5.1 arrive three months after export controls forced Anthropic to pull Fable 5 ...

Fable 5.1 is the broadly available version, with safeguards that block some high-risk work in cybersecurity and scientific ...

Anthropic launches Claude Fable 5.1 and Mythos 5.1 for coding and research, cutting costs up to 45% and tightening safety ...

Mythos 5.1 is also launching in Project Glasswing.

Anthropic has launched its latest AI models, Claude Fable 5.1 and Mythos 5.1, designed to tackle complex tasks with ...